posterior lip后唇posterioradj.(在时间；次序上)较后的n.臀部posterior mediastinal arteries纵隔后动脉, 胸主动脉纵隔支posterior inferoir iliac spine髂后下棘posterior dorsal lateral plate后背侧片posterior lateral nasal artery鼻后外侧动脉posterior tubercle of thalamus丘脑后结节posterior median raphe of neck颈背正中缝posterior conjunctival arterys结膜后动脉Posterior commissure of larynx喉后联合Posterior circulation aneurysm后循环动脉瘤posterior ampullary neurectomy后壶腹神经切除术